@charset "UTF-8";

html {
    font-size: 100%;
    font-family: "Yu Gothic", "游ゴシック", YuGothic, "游ゴシック体", "ヒラギノ角ゴ Pro W3", "メイリオ", sans-serif;
    color: #222;
    background-color: #fff;
    margin: 0;
    overflow-x: hidden;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    padding: 1rem;
    background-color: #f5f5f5;
    border-bottom: 1px solid #ccc;
}

h1 {
    margin: 0;
    font-size: 1.8rem;
}

.main-nav {
    list-style: none;
    display: flex;
    gap: 1rem;
    padding: 0;
}

.main-nav a {
    background: #fff;
    color: #000;
    border: 1px solid #000;
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    text-decoration: none;
    transition: 0.3s;
}

.main-nav a:hover,
.main-nav a:focus {
    background: #000;
    color: #fff;
    outline: none;
}

a {
    background-color: white;
    color: black;
    padding: 0.25em 0.5em;
    text-decoration: none;
}

main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

article {
    position: relative;
    padding: 2rem;
    background-color: rgba(0, 0, 0, 0.6);
    border-radius: 8px;
}

.coming-soon {
    font-size: 2.5rem;
    font-weight: bold;
    text-align: center;
    color: #fff;
}

footer {
    text-align: right;
    padding: 0.5rem 1rem;
    font-size: 0.8rem;
    background-color: #000;
    color: #fff;
}